Patents by Inventor Jacobus Stephanus Davel

Jacobus Stephanus Davel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9180520
    Abstract: A method of processing a composite body comprising a super-hard structure and refractory metal material exposed proximate a boundary of the composite body, the refractory metal material comprising refractory metal. The method includes providing a basic corrosive agent, heating the corrosive agent to at least its melting point, contacting the composite body with the corrosive agent in the molten state and treating the composite body with the corrosive agent for a period of time to remove refractory metal material from the composite body.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: November 10, 2015
    Assignee: Element Six Abrasives S.A.
    Inventor: Jacobus Stephanus Davel
  • Publication number: 20140230339
    Abstract: A method of processing a composite body comprising a super-hard structure and refractory metal material exposed proximate a boundary of the composite body, the refractory metal material comprising refractory metal. The method includes providing a basic corrosive agent, heating the corrosive agent to at least its melting point, contacting the composite body with the corrosive agent in the molten state and treating the composite body with the corrosive agent for a period of time to remove refractory metal material from the composite body.
    Type: Application
    Filed: October 5, 2012
    Publication date: August 21, 2014
    Inventor: Jacobus Stephanus Davel